My sister is 31years and 6 weeks
pregnant. After her 1st ultrasound sonologist jas asked her to take sustain 200 tablet through vagina as she felt less heartbeat. While consulting the gynec, she said it's not required, she may choose to take it or not as per her will. Please help.understand ehat is sustain 200 tablet, and when it is prescribed, what is its use? And when to avoid it?